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发明名称
Dispositif de joint à sec pour gazomètres à disque
摘要
申请公布号
FR691259(A)
申请公布日期
1930.10.20
申请号
FRD691259
申请日期
1930.03.06
申请人
发明人
CHUR ERNST
分类号
F17B1/04
主分类号
F17B1/04
代理机构
代理人
主权项
地址
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